QINGDAO GREAT MARINE MACHINERY CO,.LTD
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JIS-KS91A-121 Marine Cast Iron Flange Air Vent Head 5K/10K
Technical Data:
| Standard | Nominal Pressure | Nominal Diameter | Applicable Medium |
| JIS-KS91A-121 | 5K/10K | 50~450 | Oil.Gas |
Material of Main Parts:
| Item | Parts Name | Material | Code |
| 1 | Body | Cast Iron | FC200 |
| 2 | Float | Stainless Steel | SS304 |
| 3 | Guide Bolt | Stainless Steel | SS304 |
| 4 | Gasket | Rubber | NBR |
| 5 | Cover | Steel/Stainless Steel | SS400/SS304 |
Main Data:
| Size | IMPA CODE | H | A | D(5K) | D(10K) | Weight kgs |
| 50A | 175 | 179 | 130 | 155 | 7.80 | |
| 65A | 204 | 205 | 155 | 175 | 11.00 | |
| 80A | 244 | 237 | 180 | 185 | 15.00 | |
| 100A | 220 | 245 | 200 | 210 | 18.00 | |
| 125A | 250 | 270 | 235 | 250 | 24.00 | |
| 150A | 285 | 316 | 265 | 280 | 35.00 | |
| 200A | 365 | 394 | 320 | 330 | 57.00 | |
| 250A | 430 | 485 | 385 | 400 | 90.00 | |
| 300A | 530 | 550 | 430 | 445 | 121.00 | |
| 350A | 570 | 661 | 480 | 490 | 177.00 | |
| 400A | 640 | 703 | 540 | 560 | 220.00 | |
| 450A | 713 | 816 | 605 | 620 | 260.00 |
